You produce about 500ml of spit each day…….EWW!
Hair grows about 6 inches per year. The only thing in the body that grows faster is bone marrow.
Your skull is made up of 29 different bones.
It’s possible to brush your teeth too aggressively. Doing so can wear down enamel and make teeth sensitive to hot and cold foods.
A single human brain generates more electrical impulses in a day than all the telephones of the world combined.
Humans are the only animals with chins.
Women’s hearts beat faster than men’s.
Humans are the only animals that cry when upset.
A sneeze blows air out of your nose at 100 miles per hour.
The heart circulates your blood through your body about 1,000 times each day.